Математичне моделювання контактної взаємодії двох п’єзоелектричних півпросторів (без електродного покриття поверхонь) за наявності жорсткого дископодібного включення між ними і тиску в зоні розшарування

• Date: 2021
• Main Authors: Kirilyuk, Vitaly, Levchuk, Olga
• Format: Article
• Language: Ukrainian
• Published: The National Technical University of Ukraine "Igor Sikorsky Kyiv Polytechnic Institute" 2021
• Subjects: математична модель; п’єзоелектричний матеріал; електропружний півпростір; жорстке дископодібне включення; тиск у зоні розшарування; параметри контакту
• Online Access: http://journal.iasa.kpi.ua/article/view/244613
• Journal Title: System research and information technologies

Based on the use of a rigorous mathematical model that takes into account the connectivity of force and electric fields in electroelastic bodies, the contact interaction of two piezoelectric transversely isotropic half-spaces with different properties under compression (in the presence of a hard disk-shaped inclusion between them and pressure in the material separation region) was studied. The solution to the problem is obtained by representing the general solution of the static equations of the electroelasticity for a transversely isotropic body in terms of harmonic functions, followed by the construction of the boundary value problem of the electroelasticity to the consideration of the integral equation and the expansion of the desired function in a small parameter. As a special case from the constructed analytical expressions, the main parameters of the contact for two elastic transversely isotropic and isotropic half-spaces (with the inclusion between them and pressure in the separation region) are implied. Numerical results were obtained. The influence was studied of the electroelastic properties of half-spaces, the geometric dimensions of the inclusion, and loads on the parameters of the contact interaction of electroelastic bodies.